Helicase "unzips" the two strands of DNA. During DNA replication.
Cell transport is useful because it's, essentially, the movement of cells across the blood/veins. Active transport uses energy, while passive transport does not.
Answer:Stormwater runoff is the result of snow melt or may be due to fall of rain flowing on the land surface. ... Stormwater that cannot be directed back into rivers or streams is stored in Retention basin. Retention basins allows water to seep through the soil and then into shallow groundwater aquifer. got offline
Explanation:
From what I googled, in the interior of a cell wall there is a cell membrane
D. Cell Membrane